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Rusty Russelld3561b72006-12-07 02:14:07 +01001/* Paravirtualization interfaces
2 Copyright (C) 2006 Rusty Russell IBM Corporation
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17*/
18#include <linux/errno.h>
19#include <linux/module.h>
20#include <linux/efi.h>
21#include <linux/bcd.h>
Jeremy Fitzhardingece6234b2007-05-02 19:27:15 +020022#include <linux/highmem.h>
Rusty Russelld3561b72006-12-07 02:14:07 +010023
24#include <asm/bug.h>
25#include <asm/paravirt.h>
26#include <asm/desc.h>
27#include <asm/setup.h>
28#include <asm/arch_hooks.h>
29#include <asm/time.h>
30#include <asm/irq.h>
31#include <asm/delay.h>
Rusty Russell13623d72006-12-07 02:14:08 +010032#include <asm/fixmap.h>
33#include <asm/apic.h>
Rusty Russellda181a82006-12-07 02:14:08 +010034#include <asm/tlbflush.h>
Zachary Amsden6cb9a832007-03-05 00:30:35 -080035#include <asm/timer.h>
Rusty Russelld3561b72006-12-07 02:14:07 +010036
37/* nop stub */
Jeremy Fitzhardinge45876232007-05-02 19:27:13 +020038void _paravirt_nop(void)
Rusty Russelld3561b72006-12-07 02:14:07 +010039{
40}
41
42static void __init default_banner(void)
43{
44 printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070045 pv_info.name);
Rusty Russelld3561b72006-12-07 02:14:07 +010046}
47
48char *memory_setup(void)
49{
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070050 return pv_init_ops.memory_setup();
Rusty Russelld3561b72006-12-07 02:14:07 +010051}
52
Rusty Russell139ec7c2006-12-07 02:14:08 +010053/* Simple instruction patching code. */
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070054#define DEF_NATIVE(ops, name, code) \
55 extern const char start_##ops##_##name[], end_##ops##_##name[]; \
56 asm("start_" #ops "_" #name ": " code "; end_" #ops "_" #name ":")
Rusty Russell139ec7c2006-12-07 02:14:08 +010057
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070058DEF_NATIVE(pv_irq_ops, irq_disable, "cli");
59DEF_NATIVE(pv_irq_ops, irq_enable, "sti");
60DEF_NATIVE(pv_irq_ops, restore_fl, "push %eax; popf");
61DEF_NATIVE(pv_irq_ops, save_fl, "pushf; pop %eax");
62DEF_NATIVE(pv_cpu_ops, iret, "iret");
Glauber de Oliveira Costa6abcd982008-01-30 13:30:33 +010063DEF_NATIVE(pv_cpu_ops, irq_enable_syscall_ret, "sti; sysexit");
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070064DEF_NATIVE(pv_mmu_ops, read_cr2, "mov %cr2, %eax");
65DEF_NATIVE(pv_mmu_ops, write_cr3, "mov %eax, %cr3");
66DEF_NATIVE(pv_mmu_ops, read_cr3, "mov %cr3, %eax");
67DEF_NATIVE(pv_cpu_ops, clts, "clts");
68DEF_NATIVE(pv_cpu_ops, read_tsc, "rdtsc");
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020069
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070070/* Undefined instruction for dealing with missing ops pointers. */
71static const unsigned char ud2a[] = { 0x0f, 0x0b };
Rusty Russell139ec7c2006-12-07 02:14:08 +010072
Andi Kleenab144f52007-08-10 22:31:03 +020073static unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
74 unsigned long addr, unsigned len)
Rusty Russell139ec7c2006-12-07 02:14:08 +010075{
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020076 const unsigned char *start, *end;
77 unsigned ret;
Rusty Russell139ec7c2006-12-07 02:14:08 +010078
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020079 switch(type) {
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070080#define SITE(ops, x) \
81 case PARAVIRT_PATCH(ops.x): \
82 start = start_##ops##_##x; \
83 end = end_##ops##_##x; \
84 goto patch_site
85
86 SITE(pv_irq_ops, irq_disable);
87 SITE(pv_irq_ops, irq_enable);
88 SITE(pv_irq_ops, restore_fl);
89 SITE(pv_irq_ops, save_fl);
90 SITE(pv_cpu_ops, iret);
Glauber de Oliveira Costa6abcd982008-01-30 13:30:33 +010091 SITE(pv_cpu_ops, irq_enable_syscall_ret);
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070092 SITE(pv_mmu_ops, read_cr2);
93 SITE(pv_mmu_ops, read_cr3);
94 SITE(pv_mmu_ops, write_cr3);
95 SITE(pv_cpu_ops, clts);
96 SITE(pv_cpu_ops, read_tsc);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020097#undef SITE
Rusty Russell139ec7c2006-12-07 02:14:08 +010098
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020099 patch_site:
Andi Kleenab144f52007-08-10 22:31:03 +0200100 ret = paravirt_patch_insns(ibuf, len, start, end);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200101 break;
Rusty Russell139ec7c2006-12-07 02:14:08 +0100102
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200103 default:
Andi Kleenab144f52007-08-10 22:31:03 +0200104 ret = paravirt_patch_default(type, clobbers, ibuf, addr, len);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200105 break;
106 }
107
108 return ret;
109}
110
111unsigned paravirt_patch_nop(void)
112{
113 return 0;
114}
115
116unsigned paravirt_patch_ignore(unsigned len)
117{
118 return len;
119}
120
Andi Kleen19d36cc2007-07-22 11:12:31 +0200121struct branch {
122 unsigned char opcode;
123 u32 delta;
124} __attribute__((packed));
125
Andi Kleenab144f52007-08-10 22:31:03 +0200126unsigned paravirt_patch_call(void *insnbuf,
127 const void *target, u16 tgt_clobbers,
128 unsigned long addr, u16 site_clobbers,
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200129 unsigned len)
130{
Andi Kleenab144f52007-08-10 22:31:03 +0200131 struct branch *b = insnbuf;
132 unsigned long delta = (unsigned long)target - (addr+5);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200133
134 if (tgt_clobbers & ~site_clobbers)
135 return len; /* target would clobber too much for this site */
136 if (len < 5)
137 return len; /* call too long for patch site */
138
Andi Kleenab144f52007-08-10 22:31:03 +0200139 b->opcode = 0xe8; /* call */
140 b->delta = delta;
141 BUILD_BUG_ON(sizeof(*b) != 5);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200142
143 return 5;
144}
145
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700146unsigned paravirt_patch_jmp(void *insnbuf, const void *target,
Andi Kleenab144f52007-08-10 22:31:03 +0200147 unsigned long addr, unsigned len)
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200148{
Andi Kleenab144f52007-08-10 22:31:03 +0200149 struct branch *b = insnbuf;
150 unsigned long delta = (unsigned long)target - (addr+5);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200151
152 if (len < 5)
153 return len; /* call too long for patch site */
154
Andi Kleenab144f52007-08-10 22:31:03 +0200155 b->opcode = 0xe9; /* jmp */
156 b->delta = delta;
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200157
158 return 5;
159}
160
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700161/* Neat trick to map patch type back to the call within the
162 * corresponding structure. */
163static void *get_call_destination(u8 type)
164{
165 struct paravirt_patch_template tmpl = {
166 .pv_init_ops = pv_init_ops,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700167 .pv_time_ops = pv_time_ops,
168 .pv_cpu_ops = pv_cpu_ops,
169 .pv_irq_ops = pv_irq_ops,
170 .pv_apic_ops = pv_apic_ops,
171 .pv_mmu_ops = pv_mmu_ops,
172 };
173 return *((void **)&tmpl + type);
174}
175
Andi Kleenab144f52007-08-10 22:31:03 +0200176unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
177 unsigned long addr, unsigned len)
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200178{
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700179 void *opfunc = get_call_destination(type);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200180 unsigned ret;
181
182 if (opfunc == NULL)
183 /* If there's no function, patch it with a ud2a (BUG) */
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700184 ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a));
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200185 else if (opfunc == paravirt_nop)
186 /* If the operation is a nop, then nop the callsite */
187 ret = paravirt_patch_nop();
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700188 else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) ||
Glauber de Oliveira Costa6abcd982008-01-30 13:30:33 +0100189 type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_syscall_ret))
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200190 /* If operation requires a jmp, then jmp */
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700191 ret = paravirt_patch_jmp(insnbuf, opfunc, addr, len);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200192 else
193 /* Otherwise call the function; assume target could
194 clobber any caller-save reg */
Andi Kleenab144f52007-08-10 22:31:03 +0200195 ret = paravirt_patch_call(insnbuf, opfunc, CLBR_ANY,
196 addr, clobbers, len);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200197
198 return ret;
199}
200
Andi Kleenab144f52007-08-10 22:31:03 +0200201unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200202 const char *start, const char *end)
203{
204 unsigned insn_len = end - start;
205
206 if (insn_len > len || start == NULL)
207 insn_len = len;
208 else
Andi Kleenab144f52007-08-10 22:31:03 +0200209 memcpy(insnbuf, start, insn_len);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200210
Rusty Russell139ec7c2006-12-07 02:14:08 +0100211 return insn_len;
212}
213
Rusty Russelld3561b72006-12-07 02:14:07 +0100214void init_IRQ(void)
215{
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700216 pv_irq_ops.init_IRQ();
Rusty Russelld3561b72006-12-07 02:14:07 +0100217}
218
Andi Kleen1a1eecd2007-02-13 13:26:25 +0100219static void native_flush_tlb(void)
Rusty Russellda181a82006-12-07 02:14:08 +0100220{
221 __native_flush_tlb();
222}
223
224/*
225 * Global pages have to be flushed a bit differently. Not a real
226 * performance problem because this does not happen often.
227 */
Andi Kleen1a1eecd2007-02-13 13:26:25 +0100228static void native_flush_tlb_global(void)
Rusty Russellda181a82006-12-07 02:14:08 +0100229{
230 __native_flush_tlb_global();
231}
232
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200233static void native_flush_tlb_single(unsigned long addr)
Rusty Russellda181a82006-12-07 02:14:08 +0100234{
235 __native_flush_tlb_single(addr);
236}
237
Rusty Russelld3561b72006-12-07 02:14:07 +0100238/* These are in entry.S */
Andi Kleen1a1eecd2007-02-13 13:26:25 +0100239extern void native_iret(void);
Glauber de Oliveira Costa6abcd982008-01-30 13:30:33 +0100240extern void native_irq_enable_syscall_ret(void);
Rusty Russelld3561b72006-12-07 02:14:07 +0100241
242static int __init print_banner(void)
243{
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700244 pv_init_ops.banner();
Rusty Russelld3561b72006-12-07 02:14:07 +0100245 return 0;
246}
247core_initcall(print_banner);
248
Jeremy Fitzhardinged5729292007-07-17 18:37:04 -0700249static struct resource reserve_ioports = {
250 .start = 0,
251 .end = IO_SPACE_LIMIT,
252 .name = "paravirt-ioport",
253 .flags = IORESOURCE_IO | IORESOURCE_BUSY,
254};
255
256static struct resource reserve_iomem = {
257 .start = 0,
258 .end = -1,
259 .name = "paravirt-iomem",
260 .flags = IORESOURCE_MEM | IORESOURCE_BUSY,
261};
262
263/*
264 * Reserve the whole legacy IO space to prevent any legacy drivers
265 * from wasting time probing for their hardware. This is a fairly
266 * brute-force approach to disabling all non-virtual drivers.
267 *
268 * Note that this must be called very early to have any effect.
269 */
270int paravirt_disable_iospace(void)
271{
272 int ret;
273
274 ret = request_resource(&ioport_resource, &reserve_ioports);
275 if (ret == 0) {
276 ret = request_resource(&iomem_resource, &reserve_iomem);
277 if (ret)
278 release_resource(&reserve_ioports);
279 }
280
281 return ret;
282}
283
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700284static DEFINE_PER_CPU(enum paravirt_lazy_mode, paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
285
286static inline void enter_lazy(enum paravirt_lazy_mode mode)
287{
288 BUG_ON(x86_read_percpu(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE);
289 BUG_ON(preemptible());
290
291 x86_write_percpu(paravirt_lazy_mode, mode);
292}
293
294void paravirt_leave_lazy(enum paravirt_lazy_mode mode)
295{
296 BUG_ON(x86_read_percpu(paravirt_lazy_mode) != mode);
297 BUG_ON(preemptible());
298
299 x86_write_percpu(paravirt_lazy_mode, PARAVIRT_LAZY_NONE);
300}
301
302void paravirt_enter_lazy_mmu(void)
303{
304 enter_lazy(PARAVIRT_LAZY_MMU);
305}
306
307void paravirt_leave_lazy_mmu(void)
308{
309 paravirt_leave_lazy(PARAVIRT_LAZY_MMU);
310}
311
312void paravirt_enter_lazy_cpu(void)
313{
314 enter_lazy(PARAVIRT_LAZY_CPU);
315}
316
317void paravirt_leave_lazy_cpu(void)
318{
319 paravirt_leave_lazy(PARAVIRT_LAZY_CPU);
320}
321
322enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
323{
324 return x86_read_percpu(paravirt_lazy_mode);
325}
326
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700327struct pv_info pv_info = {
Rusty Russelld3561b72006-12-07 02:14:07 +0100328 .name = "bare hardware",
329 .paravirt_enabled = 0,
330 .kernel_rpl = 0,
Jeremy Fitzhardinge5311ab62007-05-02 19:27:13 +0200331 .shared_kernel_pmd = 1, /* Only used when CONFIG_X86_PAE is set */
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700332};
Rusty Russelld3561b72006-12-07 02:14:07 +0100333
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700334struct pv_init_ops pv_init_ops = {
335 .patch = native_patch,
Rusty Russelld3561b72006-12-07 02:14:07 +0100336 .banner = default_banner,
Jeremy Fitzhardinge45876232007-05-02 19:27:13 +0200337 .arch_setup = paravirt_nop,
Rusty Russelld3561b72006-12-07 02:14:07 +0100338 .memory_setup = machine_specific_memory_setup,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700339};
340
341struct pv_time_ops pv_time_ops = {
342 .time_init = hpet_time_init,
Rusty Russelld3561b72006-12-07 02:14:07 +0100343 .get_wallclock = native_get_wallclock,
344 .set_wallclock = native_set_wallclock,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700345 .sched_clock = native_sched_clock,
346 .get_cpu_khz = native_calculate_cpu_khz,
347};
Rusty Russelld3561b72006-12-07 02:14:07 +0100348
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700349struct pv_irq_ops pv_irq_ops = {
350 .init_IRQ = native_init_IRQ,
Rusty Russelld3561b72006-12-07 02:14:07 +0100351 .save_fl = native_save_fl,
352 .restore_fl = native_restore_fl,
353 .irq_disable = native_irq_disable,
354 .irq_enable = native_irq_enable,
355 .safe_halt = native_safe_halt,
356 .halt = native_halt,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700357};
358
359struct pv_cpu_ops pv_cpu_ops = {
360 .cpuid = native_cpuid,
361 .get_debugreg = native_get_debugreg,
362 .set_debugreg = native_set_debugreg,
363 .clts = native_clts,
364 .read_cr0 = native_read_cr0,
365 .write_cr0 = native_write_cr0,
366 .read_cr4 = native_read_cr4,
367 .read_cr4_safe = native_read_cr4_safe,
368 .write_cr4 = native_write_cr4,
Rusty Russelld3561b72006-12-07 02:14:07 +0100369 .wbinvd = native_wbinvd,
Rusty Russell90a0a062007-05-02 19:27:10 +0200370 .read_msr = native_read_msr_safe,
371 .write_msr = native_write_msr_safe,
Rusty Russelld3561b72006-12-07 02:14:07 +0100372 .read_tsc = native_read_tsc,
373 .read_pmc = native_read_pmc,
374 .load_tr_desc = native_load_tr_desc,
375 .set_ldt = native_set_ldt,
376 .load_gdt = native_load_gdt,
377 .load_idt = native_load_idt,
378 .store_gdt = native_store_gdt,
379 .store_idt = native_store_idt,
380 .store_tr = native_store_tr,
381 .load_tls = native_load_tls,
Rusty Russell90a0a062007-05-02 19:27:10 +0200382 .write_ldt_entry = write_dt_entry,
383 .write_gdt_entry = write_dt_entry,
384 .write_idt_entry = write_dt_entry,
H. Peter Anvinfaca6222008-01-30 13:31:02 +0100385 .load_sp0 = native_load_sp0,
Rusty Russelld3561b72006-12-07 02:14:07 +0100386
Glauber de Oliveira Costa6abcd982008-01-30 13:30:33 +0100387 .irq_enable_syscall_ret = native_irq_enable_syscall_ret,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700388 .iret = native_iret,
389
Rusty Russelld3561b72006-12-07 02:14:07 +0100390 .set_iopl_mask = native_set_iopl_mask,
391 .io_delay = native_io_delay,
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700392
393 .lazy_mode = {
394 .enter = paravirt_nop,
395 .leave = paravirt_nop,
396 },
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700397};
Rusty Russelld3561b72006-12-07 02:14:07 +0100398
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700399struct pv_apic_ops pv_apic_ops = {
Rusty Russell13623d72006-12-07 02:14:08 +0100400#ifdef CONFIG_X86_LOCAL_APIC
401 .apic_write = native_apic_write,
402 .apic_write_atomic = native_apic_write_atomic,
403 .apic_read = native_apic_read,
Zachary Amsdenbbab4f32007-02-13 13:26:21 +0100404 .setup_boot_clock = setup_boot_APIC_clock,
405 .setup_secondary_clock = setup_secondary_APIC_clock,
Jeremy Fitzhardinge0260c192007-05-02 19:27:18 +0200406 .startup_ipi_hook = paravirt_nop,
Rusty Russell13623d72006-12-07 02:14:08 +0100407#endif
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700408};
Rusty Russell13623d72006-12-07 02:14:08 +0100409
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700410struct pv_mmu_ops pv_mmu_ops = {
Jeremy Fitzhardingeb239fb22007-05-02 19:27:13 +0200411 .pagetable_setup_start = native_pagetable_setup_start,
412 .pagetable_setup_done = native_pagetable_setup_done,
413
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700414 .read_cr2 = native_read_cr2,
415 .write_cr2 = native_write_cr2,
416 .read_cr3 = native_read_cr3,
417 .write_cr3 = native_write_cr3,
418
Rusty Russellda181a82006-12-07 02:14:08 +0100419 .flush_tlb_user = native_flush_tlb,
420 .flush_tlb_kernel = native_flush_tlb_global,
421 .flush_tlb_single = native_flush_tlb_single,
Jeremy Fitzhardinged4c10472007-05-02 19:27:15 +0200422 .flush_tlb_others = native_flush_tlb_others,
Rusty Russellda181a82006-12-07 02:14:08 +0100423
Jeremy Fitzhardinge45876232007-05-02 19:27:13 +0200424 .alloc_pt = paravirt_nop,
425 .alloc_pd = paravirt_nop,
426 .alloc_pd_clone = paravirt_nop,
427 .release_pt = paravirt_nop,
428 .release_pd = paravirt_nop,
Zachary Amsdenc119ecc2007-02-13 13:26:21 +0100429
Rusty Russellda181a82006-12-07 02:14:08 +0100430 .set_pte = native_set_pte,
431 .set_pte_at = native_set_pte_at,
432 .set_pmd = native_set_pmd,
Jeremy Fitzhardinge45876232007-05-02 19:27:13 +0200433 .pte_update = paravirt_nop,
434 .pte_update_defer = paravirt_nop,
Jeremy Fitzhardinge3dc494e2007-05-02 19:27:13 +0200435
Jeremy Fitzhardingece6234b2007-05-02 19:27:15 +0200436#ifdef CONFIG_HIGHPTE
437 .kmap_atomic_pte = kmap_atomic,
438#endif
439
Rusty Russellda181a82006-12-07 02:14:08 +0100440#ifdef CONFIG_X86_PAE
441 .set_pte_atomic = native_set_pte_atomic,
442 .set_pte_present = native_set_pte_present,
443 .set_pud = native_set_pud,
444 .pte_clear = native_pte_clear,
445 .pmd_clear = native_pmd_clear,
Jeremy Fitzhardinge3dc494e2007-05-02 19:27:13 +0200446
447 .pmd_val = native_pmd_val,
448 .make_pmd = native_make_pmd,
Rusty Russellda181a82006-12-07 02:14:08 +0100449#endif
450
Jeremy Fitzhardinge3dc494e2007-05-02 19:27:13 +0200451 .pte_val = native_pte_val,
452 .pgd_val = native_pgd_val,
453
454 .make_pte = native_make_pte,
455 .make_pgd = native_make_pgd,
456
Jeremy Fitzhardinged6dd61c2007-05-02 19:27:14 +0200457 .dup_mmap = paravirt_nop,
458 .exit_mmap = paravirt_nop,
459 .activate_mm = paravirt_nop,
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700460
461 .lazy_mode = {
462 .enter = paravirt_nop,
463 .leave = paravirt_nop,
464 },
Rusty Russelld3561b72006-12-07 02:14:07 +0100465};
Ingo Molnar0dbe5a12007-01-22 20:40:36 -0800466
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700467EXPORT_SYMBOL_GPL(pv_time_ops);
Jeremy Fitzhardingef97b8952007-11-28 16:22:11 -0800468EXPORT_SYMBOL (pv_cpu_ops);
469EXPORT_SYMBOL (pv_mmu_ops);
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700470EXPORT_SYMBOL_GPL(pv_apic_ops);
471EXPORT_SYMBOL_GPL(pv_info);
472EXPORT_SYMBOL (pv_irq_ops);